Live Science on MSN
'Planet Y' theory hints at hidden Earth-size world lurking in the solar system — and it could be much closer to us than 'Planet Nine'
A new study has proposed the existence of Planet Y, an alternative Planet Nine candidate that is smaller and closer to Earth ...
When you look at the solar system, you might notice that the planets' orbits are tilted, and oddities in the protoplanetary ...
A new study suggests yet another theory for a possible extra planet in our solar system, likely of a size between Mercury and ...
Live Science on MSN
Which planets are the youngest and oldest in our solar system?
There are a couple of ways that scientists can date planets, so which planets formed first in our solar system?
18d
3I/ATLAS, comet hurtling toward solar system, much bigger than previously thought, astronomers say
The interstellar object hurtling toward the inner solar system, where Earth is located, is much larger than previously ...
IFLScience on MSN
Uranus And Neptune May Not Be "Ice Giants" But The Solar System's First "Rocky Giants"
Uranus and Neptune are the two furthest planets in the Solar System and have been visited only once by human spacecraft – by Voyager 2 over 30 years ago – so there is a lot about them that we do not ...
Futurism on MSN
The Mysterious Object Cruising Through Solar System Is Releasing Strange Metals, Paper Finds
Astronomers found that interstellar object 3I/ATLAS shows an "extreme abundance ratio" of nickel and iron in its gas plume.
Interstellar comet 3I/ATLAS has caught the interest of astronomers and amateur enthusiasts alike as just the third object to ...
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